Stang, A. H., Ramberg, W., & Back, G. (1938). Torsion tests of tubes. Unites States National Advisory Committee for Aeronautics, 1937, 515.
Chicago Style (17th ed.) CitationStang, A. H., W. Ramberg, and G. Back. "Torsion Tests of Tubes." Unites States National Advisory Committee for Aeronautics 1937 (1938): 515.
MLA (9th ed.) CitationStang, A. H., et al. "Torsion Tests of Tubes." Unites States National Advisory Committee for Aeronautics, vol. 1937, 1938, p. 515.
Warning: These citations may not always be 100% accurate.